Black Clover: Mahou Tei no Ken

Both movies have the same plot: never mentioned before villain was sealed a long time ago by one of our hero's mentors, and after something bad happened to him, the seal was broken, so the villain and his minions go to attack our heroes, who were in the middle of a tournament as it happened. 

Both movies focus on the action aspect, so if you're a fan of action animation they're pretty similar. Although be warned if you can't handle screams skip them.